| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1878645 | Applied Radiation and Isotopes | 2014 | 4 Pages |
Abstract
The activity concentration of a solution of 99Tc was absolutely determined by liquid scintillation measurements based on the triple-to double-coincidence ratio method (TDCR) and compared with the results given by 4Ïβ(LS)-γ(NaI) live-timed anticoincidence (with extending dead-time) and classical 4Ïβ(PC)-γ(NaI) coincidence counting systems based on using 60Co as the efficiency-tracing radionuclide. The results of anticoincidence and coincidence counting are, respectively, 0.18% and 0.66% higher than the result from TDCR measurements, but they are consistent within uncertainties.
Related Topics
Physical Sciences and Engineering
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Radiation
Authors
Paulo A.L. da Cruz, Carlos J. da Silva, Denise S. Moreira, Akira Iwahara, Luiz Tauhata, Ricardo T. Lopes,